FNUS75 KRIW 051024
FWSRIW

SPOT FORECAST FOR ALPINE LAKE...BIA WRA
NATIONAL WEATHER SERVICE RIVERTON WY
424 AM MDT FRI OCT 5 2012

FORECAST IS BASED ON REQUEST TIME OF 1820 MDT ON OCTOBER 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A COLD UPSLOPE FLOW WILL REMAIN OVER THE AREA TODAY
THROUGH SATURDAY. SOME CLEARING WILL OCCUR THIS MORNING
BEHIND AN UPPER LEVEL DISTURBANCE MOVING ACROSS SOUTHERN WYOMING.
ANOTHER REINFORCING SHOT OF COLD AIR...LOWERING CLOUDS AND AREAS OF
LIGHT UPSLOPE SNOW WILL ARRIVE THIS EVENING. CLEARING WILL OCCUR
SATURDAY MORNING WITH A COOL UPSLOPE SOUTHEAST WIND EAST OF THE
DIVIDE.

...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS...
...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT...

FORECASTER...MEUNIER

.TODAY...
SKY/WEATHER.........MOSTLY CLOUDY (80-90) PERCENT).  SOME LIGHT SNOW
                    OR FLURRIES BEFORE 0900...THEN REDEVELOPING
                    LATE AFTERNOON.  AN INCH OR LESS OF ACCUMULATION.
MAX TEMPERATURE.....30-35 BELOW 8500 FEET...24-29 ABOVE 8500 FEET.
MIN HUMIDITY........58-68 PERCENT.

20 FOOT WINDS.......UPSLOPE/UPVALLEY OR EAST 5-10 MPH WITH GUSTS TO
                    15 MPH.
RIDGE TOP WINDS.....SOUTHWEST 5 TO 10 MPH ABOVE 9000 FEET.

LAL.................1.
CHC OF WETTING RAIN.30 PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

MIXING HEIGHT.......2500-3500 FT AGL.
TRANSPORT WINDS.....EAST NORTHEAST 5 TO 10 MPH.
SMOKE DISPERSAL.....POOR (9800-13800 KNOT-FT).

.TONIGHT...
SKY/WEATHER.........CLOUDY (90-100 PERCENT).  LIGHT SNOW LIKELY IN THE
                    EVENING...TAPERING OFF AFTER MIDNIGHT.  1 TO 2 INCHES
                    OF SNOW ACCUMULATION.
MIN TEMPERATURE.....16-20.
MAX HUMIDITY........91-100 PERCENT.

20 FOOT WINDS.......EAST 5 TO 10 MPH WITH GUSTS TO 15 MPH.
RIDGE TOP WINDS.....NORTH AROUND 10 MPH.

LAL.................1.
CHC OF WETTING RAIN.60 PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

MIXING HEIGHT.......2500-3500 FT AGL.
TRANSPORT WINDS.....EAST 5 TO 10 MPH.
SMOKE DISPERSAL.....POOR (13900-16000 KNOT-FT).

.SATURDAY...
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) EARLY WITH OCCASIONAL
                    FLURRIES.  BECOMING MOSTLY SUNNY (20-30 PERCENT) LATE
                    MORNING AND AFTERNOON.
MAX TEMPERATURE.....32-37 BELOW 8500 FEET...26-31 ABOVE 8500 FEET.
MIN HUMIDITY........35-41 PERCENT.

20 FOOT WINDS.......UPSLOPE/UPVALLEY OR EAST SOUTHEAST 5-10 MPH.
RIDGE TOP WINDS.....NORTH AROUND 5 MPH IN THE MORNING...THEN SOUTH 5 TO
                    10 MPH IN THE AFTERNOON.

LAL.................1.
CHC OF WETTING RAIN.4 PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

MIXING HEIGHT.......2200-3200 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 8 MPH SHIFTING TO THE SOUTH IN THE
                    AFTERNOON.
SMOKE DISPERSAL.....POOR (11500-15400 KNOT-FT).

.FORECAST DAYS 3 THROUGH 5...
.SATURDAY NIGHT...MOSTLY CLEAR. LOWS IN THE LOWER 20S. WINDS
GENERALLY LESS THAN 10 MPH.

.SUNDAY...NOT AS COOL. MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS
IN THE MID 40S. WINDS GENERALLY LESS THAN 10 MPH.

.COLUMBUS DAY...CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER
50S. WINDS GENERALLY LESS THAN 10 MPH.

.TUESDAY...MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE MID
40S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...MEUNIER
REQUESTED BY...CAL ANACKER
REASON FOR REQUEST...WILDFIRE
.TAG 20121004.ALPIN.01/RIW